Modern Developer Tools

Message testing, HTTP clients, SQL management, and more—built the way we'd want to use them.
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Download Siren
Iris - Message Testing
Siren - HTTP Client

Developer Tools

Open Source & Commercial

Cross-Platform

Active Development

Web Applications

Browser-based tools accessible anywhere

Apollo

Free
Open Source
Browser Code Editor

Write and execute C# directly in your browser. Works offline as a PWA.

Launch

Desktop Applications

Native apps for Windows, macOS, and Linux

Iris

Free
Open Source
Message Testing

Test event-driven systems across Azure, AWS, and RabbitMQ.

GitHub

Siren

Free
Open Source
HTTP Client

Open source REST client. No account required.

Download

Aion

Free
Open Source
SQL Client

Query PostgreSQL, SQL Server, MySQL, and more.

Learn More

Daedalus

Coming Soon
Next-Gen C# IDE

Code smarter with AI-native tooling.

Join Waitlist

Frameworks & Libraries

Build on solid foundations

Hermes

Preview
Desktop App Framework

Build cross-platform desktop apps with Blazor. Native menus, dialogs, and AOT support.

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Framework

Free
Open Source
Mythetech App Framework

The shared foundation powering our applications. Open source on GitHub.

GitHub

Why Developers Choose Mythetech

Work Faster

Focus on business problems instead of infrastructure challenges.

See Clearly

Visualize and understand complex architectures.

Build Better

Accelerate testing and debugging for more reliable systems.

Open Source First

Most of our tools are free and open source. We believe in building in the open, contributing to the .NET ecosystem, and giving developers the freedom to inspect, extend, and contribute to the tools they use.

View on GitHub

Ready to Get Started?

Download a tool or explore the source

Download Siren

Free, open source HTTP client.

Download Free
Iris

Open source message testing tool.

Coming Soon
Code With Apollo

C# in the browser. No install needed.

Launch App